Tennessee Valley Authority (TVA)

NPDES permit TN0005410 · Major FEDERAL · administratively continued, expires 2023-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2023-04-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 53 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among TN permits in EPA's filings — check your permit).

Limits in force (94)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 26 mg/L all year
001Solids, total suspendedDAILY MX <= 84 mg/L all year
001Oil & GreaseMO AVG <= 12 mg/L all year
001Oil & GreaseDAILY MX <= 16 mg/L all year
001Calcium, total [as Ca]VALUE report only all year
001Calcium, total [as Ca]VALUE report only all year
001Sulfate, total [as SO4]VALUE report only all year
001Sulfate, total [as SO4]VALUE report only all year
001Fluoride, total [as F]VALUE report only all year
001Fluoride, total [as F]VALUE report only all year
001Arsenic, total [as As]VALUE report only all year
001Barium, total [as Ba]VALUE report only all year
001Beryllium, total [as Be]VALUE report only all year
001Boron, total [as B]VALUE report only all year
001Boron, total [as B]VALUE report only all year
001Cadmium, total [as Cd]VALUE report only all year
001Chromium, total [as Cr]VALUE report only all year
001Cobalt, total [as Co]VALUE report only all year
001Cobalt, total [as Co]VALUE report only all year
001Copper, total [as Cu]VALUE report only all year
001Iron, total [as Fe]VALUE report only all year
001Lead, total [as Pb]VALUE report only all year
001Thallium, total [as Tl]VALUE report only all year
001Molybdenum, total [as Mo]VALUE report only all year
001Molybdenum, total [as Mo]VALUE report only all year
001Nickel, total [as Ni]VALUE report only all year
001Silver, total [as Ag]VALUE report only all year
001Zinc, total [as Zn]VALUE report only all year
001Antimony, total [as Sb]VALUE report only all year
001Aluminum, total [as Al]VALUE report only all year
001Lithium, total [as Li]VALUE report only all year
001Lithium, total [as Li]VALUE report only all year
001Selenium, total [as Se]VALUE report only all year
001Radium 226 + radium 228, totalVALUE report only all year
001Radium 226 + radium 228, totalVALUE report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Solids, total dissolvedVALUE report only all year
001Solids, total dissolvedVALUE report only all year
001Mercury, total [as Hg]VALUE report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Temperature, water deg. centigradeDAILY MX <= 31.1 deg C all year
002Oxidants, total residualMO AVG <= .011 mg/L all year
002Oxidants, total residualDAILY MX <= .019 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
009Solids, total suspendedDAILY MX <= 100 mg/L all year
009Oil & GreaseDAILY MX <= 20 mg/L all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Mercury, total [as Hg]DAILY MX report only all year
010Solids, total suspendedDAILY MX <= 100 mg/L all year
010Oil & GreaseDAILY MX <= 20 mg/L all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Mercury, total [as Hg]DAILY MX report only all year
INTHardness, total [as CaCO3]MINIMUM report only all year
INTHardness, total [as CaCO3]MINIMUM report only all year
INTIron, total recoverableVALUE report only all year
INTIron, total recoverableVALUE report only all year
INTSelenium, total recoverableVALUE report only all year
INTSelenium, total recoverableVALUE report only all year
INTArsenic, total [as As]VALUE report only all year
INTArsenic, total [as As]VALUE report only all year
INTBarium, total [as Ba]VALUE report only all year
INTBarium, total [as Ba]VALUE report only all year
INTBeryllium, total [as Be]VALUE report only all year
INTBeryllium, total [as Be]VALUE report only all year
INTManganese, total [as Mn]VALUE report only all year
INTManganese, total [as Mn]VALUE report only all year
INTThallium, total [as Tl]VALUE report only all year
INTThallium, total [as Tl]VALUE report only all year
INTNickel, total recoverableVALUE report only all year
INTNickel, total recoverableVALUE report only all year
INTSilver total recoverableVALUE report only all year
INTSilver total recoverableVALUE report only all year
INTZinc, total recoverableVALUE report only all year
INTZinc, total recoverableVALUE report only all year
INTAluminum, total [as Al]VALUE report only all year
INTAluminum, total [as Al]VALUE report only all year
INTCadmium, total recoverableVALUE report only all year
INTCadmium, total recoverableVALUE report only all year
INTLead, total recoverableVALUE report only all year
INTLead, total recoverableVALUE report only all year
INTChromium, total recoverableVALUE report only all year
INTChromium, total recoverableVALUE report only all year
INTCopper, total recoverableVALUE report only all year
INTCopper, total recoverableVALUE report only all year
INTAntimony, total recoverableVALUE report only all year
INTAntimony, total recoverableVALUE report only all year
INTMercury, total recoverableVALUE report only all year
INTMercury, total recoverableVALUE report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states